3 sleep, alarm \- delay, ask for delayed note
10 int sleep(long millisecs)
13 long alarm(ulong millisecs)
16 suspends the current process for the number
17 of milliseconds specified by the argument.
18 The actual suspension time may be a little more or less than
19 the requested time. If
22 gives up the CPU if another process is waiting to run, returning
24 Sleep returns \-1 if interrupted, 0 otherwise.
31 to be sent to the invoking process after the number of milliseconds
32 given by the argument.
35 reset the alarm clock.
36 A zero argument clears the alarm.
37 The return value is the amount of time previously remaining in
40 .B /sys/src/libc/9syscall